April 14, 20206 yr Hi. I'm trying to find a light beam sensor to work on a driveway, to send a signal to my house when a vehicle or person breaks the beam. Can be hard-wired or wireless - the location is about 120m from the house - the back entrance to a farm. I think you must do such devices but I can't see them online.
April 14, 20206 yr Something like this? https://www.securitywarehouse.co.uk/catalog/cctv-c-1/detection-c-1_24/takex-40m-ext80m-int-4-channel-twin-beams-inc-pole-clamps-p-2934.html
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